1159:
1224:
3337:
1236:
350:; and in front, near the margin, by a slight transverse groove for the attachment of part of the posterior ligament of the elbow joint. Its anterior surface is smooth, concave, and forms the upper part of the semilunar notch. Its borders present continuations of the groove on the margin of the superior surface; they serve for the attachment of ligaments: the back part of the ulnar collateral ligament medially, and the posterior ligament laterally. From the medial border a part of the
1198:
611:
57:
370:. At the junction of this surface with the front of the body is a rough eminence, the tuberosity of the ulna, which gives insertion to a part of the brachialis; to the lateral border of this tuberosity the oblique cord is attached. Its lateral surface presents a narrow, oblong, articular depression, the radial notch. Its medial surface, by its prominent, free margin, serves for the attachment of part of the
691:
coronoid and cross other trabeculae, passing backward over the medullary cavity from the upper part of the shaft below the coronoid. Below the coronoid process there is a small area of compact bone from which trabeculae curve upward to end obliquely to the surface of the semilunar notch which is coated with a thin layer of compact bone. The trabeculae at the lower end have a more longitudinal direction.
635:
1211:
623:
659:
647:
1312:
841:
829:
530:) directed backward and lateralward, is broad and concave above; convex and somewhat narrower in the middle; narrow, smooth, and rounded below. On its upper part is an oblique ridge, which runs from the dorsal end of the radial notch, downward to the dorsal border; the triangular surface above this ridge receives the insertion of the
705:
402:
The notch is concave from above downward, and divided into a medial and a lateral portion by a smooth ridge running from the summit of the olecranon to the tip of the coronoid process. The medial portion is the larger, and is slightly concave transversely; the lateral is convex above, slightly concave below.
1166:
In four-legged animals, the radius is the main load-bearing bone of the lower forelimb, and the ulna is important primarily for muscular attachment. In many mammals, the ulna is partially or wholly fused with the radius, and may therefore not exist as a separate bone. However, even in extreme cases
690:
and dorsal surface. At the extremities the compact layer thins. The compact layer is continued onto the back of the olecranon as a plate of close spongy bone with lamellae parallel. From the inner surface of this plate and the compact layer below it trabeculae arch forward toward the olecranon and
401:
is a large depression, formed by the olecranon and the coronoid process, and serving as articulation with the trochlea of the humerus. About the middle of either side of this notch is an indentation, which contracts it somewhat, and indicates the junction of the olecranon and the coronoid process.
365:
is a triangular eminence projecting forward from the upper and front part of the ulna. Its base is continuous with the body of the bone, and of considerable strength. Its apex is pointed, slightly curved upward, and in flexion of the forearm is received into the coronoid fossa of the humerus. Its
345:
in extension of the forearm. Its base is contracted where it joins the body and the narrowest part of the upper end of the ulna. Its posterior surface, directed backward, is triangular, smooth, subcutaneous, and covered by a bursa. Its superior surface is of quadrilateral form, marked behind by a
3357:
421:
at its upper part is prismatic in form, and curved so as to be convex behind and lateralward; its central part is straight; its lower part is rounded, smooth, and bent a little lateralward. It tapers gradually from above downward, and has three borders and three surfaces.
519:. The lower fourth is separated from the remaining portion by a ridge, directed obliquely downward and medialward, which marks the extent of origin of the pronator quadratus. At the junction of the upper with the middle third of the bone is the
1248:
534:, while the upper part of the ridge affords attachment to the supinator. Below this the surface is subdivided by a longitudinal ridge, sometimes called the perpendicular line, into two parts: the medial part is smooth, and covered by the
315:
1254:
1253:
1250:
1249:
1255:
1235:
572:
Near the wrist, the ulnar, with two eminences; the lateral and larger is a rounded, articular eminence, termed the head of the ulna; the medial, narrower and more projecting, is a non-articular eminence, the
596:
The styloid process projects from the medial and back part of the bone; it descends a little lower than the head, and its rounded end affords attachment to the ulnar collateral ligament of the wrist-joint.
1252:
1146:
is possible for ulnar fractures when they are located in the distal two-thirds, only involve the shaft, with no shortening, less than 10° angulation and less than 50% displacement. In such cases, a
600:
The head is separated from the styloid process by a depression for the attachment of the apex of the triangular articular disk, and behind, by a shallow groove for the tendon of the
366:
upper surface is smooth, concave, and forms the lower part of the semilunar notch. Its antero-inferior surface is concave, and marked by a rough impression for the insertion of the
341:
is a large, thick, curved eminence, situated at the upper and back part of the ulna. It is bent forward at the summit so as to present a prominent lip which is received into the
405:
The radial notch is a narrow, oblong, articular depression on the lateral side of the coronoid process; it receives the circumferential articular surface of the head of the
1223:
489:) begins above by the union of two lines, which converge from the extremities of the radial notch and enclose between them a triangular space for the origin of part of the
1186:. These often leave osteological evidence in the form of quill knobs, allowing for identification of feathers in fossils that otherwise lack integumentary information.
736:. About the tenth year, a center appears in the olecranon near its extremity, the chief part of this process being formed by an upward extension of the body. The upper
230:, the forearm's other long bone. Longer and thinner than the radius, the ulna is considered to be the smaller long bone of the lower arm. The corresponding bone in the
610:
1594:
166:
1251:
2136:
585:
of the ulna presents an articular surface, part of which, of an oval or semilunar form, is directed downward, and articulates with the upper surface of the
729:. Ossification begins near the middle of the body of the ulna, about the eighth week of fetal life, and soon extends through the greater part of the bone.
371:
949:
375:
142:
687:
493:; it ends below at the head of the ulna. Its upper part is sharp, its lower fourth smooth and rounded. This crest gives attachment to the
732:
At birth, the ends are cartilaginous. About the fourth year or so, a center appears in the middle of the head, and soon extends into the
2416:
1832:
1587:
1482:
1454:
1158:
1015:
966:
558:
1241:
Cross-section through the middle of the forearm, showing the two bones and the muscles, nerves and blood vessels surrounding them.
3372:
2129:
1836:
928:
807:
1056:
1039:
589:
which separates it from the wrist-joint; the remaining portion, directed lateralward, is narrow, convex, and received into the
1864:
1734:
1637:
1289:
1003:
161:
1197:
1944:
1771:
1738:
1580:
912:
436:
391:
362:
327:
247:
62:
2498:
2122:
1846:
936:
409:. It is concave from before backward, and its prominent extremities serve for the attachment of the annular ligament.
1375:
634:
3327:
1850:
1813:
1767:
1758:
622:
512:
479:
444:
379:
1908:
1730:
983:
590:
586:
547:
1818:
1279:
658:
543:
539:
173:
125:
646:
1284:
1075:
282:
3336:
944:
olecranon process and posterior surface of ulna (also shares origin with medial epicondyle of the humerus)
3167:
2094:
2066:
2056:
2031:
1936:
1912:
1272:
873:
601:
535:
475:
387:
149:
137:
41:
2777:
2071:
2061:
2051:
1959:
1705:
1701:
1321:
975:
919:
733:
574:
494:
463:
440:
301:
2904:
2914:
1916:
1686:
1672:
1668:
1514:
471:
351:
246:
The ulna is a long bone found in the forearm that stretches from the elbow to the wrist, and when in
2879:
2515:
2352:
1400:
3367:
2567:
2443:
1823:
1682:
1011:
482:; its lower fourth is smooth and rounded. This border separates the medial from the dorsal surface.
2637:
2577:
2377:
2337:
2280:
1461:
557:) is broad and concave above, narrow and convex below. Its upper three-fourths give origin to the
374:. At the front part of this surface is a small rounded eminence for the origin of one head of the
2697:
2617:
2404:
2290:
2207:
2089:
1807:
1546:
1117:
1113:
725:
from three centers: one each for the body, the wrist end, and the elbow end, near the top of the
538:; the lateral portion, wider and rougher, gives origin from above downward to the supinator, the
516:
511:), much broader above than below, is concave in its upper three-fourths, and gives origin to the
448:
290:
2763:
2758:
2357:
2200:
2612:
443:. Its upper part, well-defined, and its middle portion, smooth and rounded, give origin to the
254:
side of the forearm. It is broader close to the elbow, and narrows as it approaches the wrist.
3197:
3174:
3090:
2622:
2464:
1901:
1664:
1642:
1538:
1530:
1478:
1450:
1326:
1133:
903:
882:
262:
258:
2372:
3160:
2943:
2712:
2702:
2410:
2243:
2099:
2043:
2011:
1791:
1781:
1721:
1711:
1522:
1064:
1023:
957:
coronoid process (also shares origin with medial epicondyle of the humerus and shaft of the
679:
294:
251:
81:
3287:
2862:
2786:
2258:
2001:
1952:
1868:
1797:
1785:
1627:
1615:
1147:
890:
778:
531:
458:) begins above at the apex of the triangular subcutaneous surface at the back part of the
398:
355:
347:
342:
331:
266:
1424:
1518:
1210:
1171:, the olecranon process is still present, albeit as a projection from the upper radius.
3341:
2950:
2687:
2670:
2520:
2470:
2382:
2362:
2217:
2016:
1897:
1632:
1183:
1143:
1137:
1070:(also shares origin with the dorsal shaft of the radius and the interosseous membrane)
616:
Vertical section through the articulations at the wrist, showing the synovial cavities.
520:
383:
274:
17:
1499:
226:. It is on the same side of the forearm as the little finger, running parallel to the
3362:
3351:
3081:
3036:
3013:
2847:
2814:
2735:
2692:
2525:
2475:
2458:
2422:
2332:
2311:
2268:
2238:
2223:
2021:
2006:
1991:
1888:
1802:
1692:
1317:
1122:
1106:
1100:
1083:
posterior surface of distal ulna (also shares origin with the interosseous membrane)
1067:
958:
800:
785:
683:
406:
227:
3358:
Knowledge articles incorporating text from the 20th edition of Gray's
Anatomy (1918)
1550:
56:
3031:
3026:
2871:
2753:
2551:
2547:
2509:
2448:
2367:
2295:
2274:
2253:
2194:
2081:
1983:
1948:
1860:
1567:
1445:
Sebastian Dawson-Bowling; Pramod Achan; Timothy Briggs; Manoj
Ramachandran (2014).
1294:
711:
286:
31:
2114:
1356:
130:
3213:
3110:
2908:
2899:
2452:
2347:
2248:
2026:
1996:
1299:
1048:
1047:
posterior surface of ulna (also shares origin with the posterior surface of the
811:
789:
774:
762:
467:
382:; descending from the eminence is a ridge which gives origin to one head of the
278:
3292:
3231:
3201:
2985:
2893:
2632:
2627:
2594:
2583:
2263:
2233:
2186:
927:
medial surface on middle portion of coronoid process (also shares origin with
367:
1534:
154:
3282:
3276:
3236:
3207:
3119:
2990:
2804:
2726:
2679:
2557:
2398:
2285:
1940:
1526:
1126:
793:
737:
726:
675:
490:
459:
338:
323:
231:
211:
3313:
Parentheses denote bones that receive a different name in particular clades
1542:
1116:- a fracture of the proximal third of the ulna with the dislocation of the
466:; it is well-marked in the upper three-fourths, and gives attachment to an
3115:
3046:
2957:
2919:
2883:
2834:
2809:
2794:
2589:
2539:
2152:
2149:
1716:
1619:
1379:
1179:
1130:
1031:
995:
722:
740:
joins the body about the sixteenth, the lower about the twentieth year.
3270:
3105:
3070:
3021:
2925:
2842:
2824:
2819:
2798:
2572:
2561:
2342:
2228:
2177:
1879:
1749:
1652:
770:
270:
215:
179:
3241:
3064:
2995:
2964:
2889:
2719:
2707:
2502:
991:
235:
1498:
Turner, Alan H.; Makovicky, Peter J.; Norell, Mark A. (2007-09-21).
378:; behind the eminence is a depression for part of the origin of the
1572:
1229:
Bones of the right arm, showing the ulna, radius, wrist and humerus
1162:
Quill knobs on the ulnae of fossil (top) and modern (bottom) birds.
840:
828:
704:
314:
3059:
3054:
2604:
2485:
2479:
2213:
2165:
1361:
1168:
1157:
758:
754:
313:
223:
219:
113:
3316:
Italics denote neomorphic bones present only in particular clades
1034:
ulna (also shares origin with lateral epicondyle of the humerus)
2745:
2145:
1974:
1603:
1175:
2658:
2163:
2118:
1576:
1607:
1477:. Philadelphia, PA: Holt-Saunders International. p. 200.
1343:
846:
The radius and ulna of the left forearm, posterior surface.
96:
974:
anteromedial surface of ulna (also shares origin with the
451:. This border separates the volar from the medial surface.
87:
1447:
Orthopaedic Trauma: The
Stanmore and Royal London Guide
322:
Near the elbow, the ulna has two curved processes, the
3325:
1376:"ULNA | Meaning & Definition for UK English"
93:
515:; its lower fourth, also concave, is covered by the
435:) begins above at the prominent medial angle of the
90:
3262:
3190:
3152:
3129:
3098:
3089:
3080:
3045:
3012:
2935:
2870:
2861:
2833:
2785:
2776:
2744:
2678:
2669:
2603:
2538:
2436:
2391:
2325:
2304:
2185:
2176:
2080:
2042:
1982:
1973:
1926:
1887:
1878:
1748:
1651:
1614:
1473:Romer, Alfred Sherwood; Parsons, Thomas S. (1977).
792:, this allows the radius to cross over the ulna in
160:
148:
136:
124:
112:
107:
84:
75:
70:
49:
1500:"Feather Quill Knobs in the Dinosaur Velociraptor"
497:, and separates the volar from the dorsal surface.
487:crista interossea; external or interosseous border
1182:, the ulna forms a surface of attachment for the
447:; its lower fourth serves for the origin of the
318:Proximal extremity of left ulna. Lateral aspect.
2130:
1588:
1568:Bone and Spine : Musculoskeletal-Anatomy
1150:should be applied that goes above the elbow.
61:An example of a human ulna, shown in red (in
8:
682:of the ulna is enclosed in a strong wall of
330:; and two concave, articular cavities, the
265:, a hook-like structure that fits into the
3095:
3086:
3077:
2932:
2867:
2858:
2782:
2675:
2666:
2655:
2401:(Supraoccipital+Exoccipital+Basioccipital)
2388:
2301:
2182:
2173:
2160:
2137:
2123:
2115:
1979:
1884:
1595:
1581:
1573:
852:
346:rough impression for the insertion of the
55:
1440:
1438:
1014:border of ulna (also shares origin with
640:Bones of left forearm. Posterior aspect.
394:by a rounded bundle of muscular fibers.
354:arises; while to the lateral border the
257:Close to the elbow, the ulna has a bony
3332:
1335:
1193:
834:Bones of left forearm. Anterior aspect.
628:Bones of left forearm. Anterior aspect.
606:
1316:This article incorporates text in the
881:posterior part of superior surface of
761:joints. Specifically, the ulna joins (
177:
46:
950:Flexor digitorum superficialis muscle
803:, where it fits into the ulnar notch.
470:which affords a common origin to the
7:
3204:) (Tibiale+Intermedium+Centrale 3+4)
806:the radius along its length via the
462:, and ends below at the back of the
898:olecranon process (lateral aspect)
664:Ligaments of wrist. Posterior view.
561:; its lower fourth is subcutaneous.
300:Close to the wrist, the ulna has a
199:
528:facies dorsalis; posterior surface
390:arises from the lower part of the
25:
2425:(Squamosal+Petrosal+Ectotympanic)
1362:Merriam-Webster Online Dictionary
1203:Position of ulna (red). Animation
1016:lateral epicondyle of the humerus
967:Flexor digitorum profundus muscle
652:Ligaments of wrist. Anterior view
555:facies medialis; internal surface
439:, and ends below in front of the
3335:
1310:
1246:
1234:
1222:
1208:
1196:
929:medial epicondyle of the humerus
839:
827:
777:as a hinge joint with semilunar
703:
657:
645:
633:
621:
609:
509:facies volaris; anterior surface
456:margo dorsalis; posterior border
80:
1057:Extensor pollicis longus muscle
1040:Abductor pollicis longus muscle
714:from three centres, shown here.
433:margo volaris; anterior border
376:flexor digitorum superficialis
343:olecranon fossa of the humerus
1:
1290:Terms for anatomical location
1004:Extensor carpi ulnaris muscle
1378:. Lexico.com. Archived from
913:coronoid process of the ulna
686:which is thickest along the
523:, directed obliquely upward.
248:standard anatomical position
63:standard anatomical position
30:For the genus of moths, see
2413:(Parasphenoid+Basisphenoid)
1324:of the 20th edition of
937:Flexor carpi ulnaris muscle
753:The ulna forms part of the
3389:
1270:
1098:
559:flexor digitorum profundus
513:flexor digitorum profundus
480:flexor digitorum profundus
445:flexor digitorum profundus
380:flexor digitorum profundus
39:
29:
3309:
3227:
2981:
2665:
2654:
2494:
2172:
2159:
984:Pronator quadratus muscle
591:ulnar notch of the radius
587:triangular articular disk
548:extensor indicis proprius
372:ulnar collateral ligament
297:to which muscles attach.
172:
54:
2407:(Exoccipital+Opisthotic)
1280:Anatomical terms of bone
911:anterior surface of the
544:extensor pollicis longus
540:abductor pollicis longus
485:The interosseous crest (
174:Anatomical terms of bone
27:Medial bone from forearm
3373:Bones of the upper limb
1527:10.1126/science.1145076
1144:Conservative management
1076:Extensor indicis muscle
283:trochlea of the humerus
18:Upper extremity of ulna
3168:Intermediate cuneiform
2314:(Postparietal+Tabular)
1273:anatomical terminology
1167:of fusion, such as in
1163:
874:Triceps brachii muscle
788:, near the elbow as a
602:extensor carpi ulnaris
536:extensor carpi ulnaris
476:extensor carpi ulnaris
388:flexor pollicis longus
319:
42:anatomical terminology
1161:
1099:Further information:
1090:Clinical significance
976:interosseous membrane
920:Pronator teres muscle
808:interosseous membrane
734:ulnar styloid process
575:ulnar styloid process
495:interosseous membrane
317:
2660:Postcranial skeleton
2419:(Prootic+Opisthotic)
1843:supracondylar ridges
1285:Madelung's deformity
1125:- a fracture of the
885:(via common tendon)
773:, at the right side
553:The medial surface (
526:The dorsal surface (
472:flexor carpi ulnaris
352:flexor carpi ulnaris
334:and radial notches.
218:stretching from the
3216:(Distal tarsal 4+5)
1519:2007Sci...317.1721T
1475:The Vertebrate Body
1382:on January 20, 2021
1129:with an associated
688:interosseous border
678:. The long, narrow
507:The volar surface (
454:The dorsal border (
2698:Cervical vertebrae
1808:deltoid tuberosity
1347:2nd edition, 1989.
1271:This article uses
1184:secondary feathers
1164:
1118:head of the radius
1114:Monteggia fracture
1105:Specific types of
819:Muscle attachments
517:pronator quadratus
449:pronator quadratus
431:The volar border (
386:. Frequently, the
320:
291:head of the radius
285:. There is also a
250:, is found on the
40:This article uses
3323:
3322:
3305:
3304:
3301:
3300:
3258:
3257:
3254:
3253:
3250:
3249:
3223:
3222:
3191:Composite tarsals
3175:Lateral cuneiform
3173:Distal tarsal 3 (
3166:Distal tarsal 2 (
3159:Distal tarsal 1 (
3008:
3007:
3004:
3003:
2977:
2976:
2963:Distal carpal 4 (
2956:Distal carpal 3 (
2949:Distal carpal 2 (
2942:Distal carpal 1 (
2772:
2771:
2650:
2649:
2646:
2645:
2534:
2533:
2432:
2431:
2321:
2320:
2112:
2111:
2108:
2107:
1969:
1968:
1917:Lister's tubercle
1643:subclavian groove
1638:costal tuberosity
1401:"Radius and ulna"
1256:
1087:
1086:
904:Brachialis muscle
883:Olecranon process
263:olecranon process
188:
187:
183:
16:(Redirected from
3380:
3340:
3339:
3331:
3161:Medial cuneiform
3099:Proximal tarsals
3096:
3087:
3078:
2933:
2905:Lateral centrale
2868:
2859:
2783:
2713:Caudal vertebrae
2703:Dorsal vertebrae
2676:
2667:
2656:
2411:Parabasisphenoid
2389:
2302:
2183:
2174:
2161:
2139:
2132:
2125:
2116:
2044:Metacarpal bones
1980:
1945:coronoid process
1885:
1792:bicipital groove
1722:coracoid process
1712:spine of scapula
1597:
1590:
1583:
1574:
1555:
1554:
1504:
1495:
1489:
1488:
1470:
1464:
1460:
1442:
1433:
1432:
1421:
1415:
1414:
1412:
1411:
1397:
1391:
1390:
1388:
1387:
1372:
1366:
1354:
1348:
1340:
1314:
1313:
1258:
1257:
1238:
1226:
1214:
1213:
1200:
1024:Supinator muscle
853:
843:
831:
769:trochlea of the
712:formed into bone
707:
680:medullary cavity
661:
649:
637:
625:
613:
437:coronoid process
419:body of the ulna
392:coronoid process
363:coronoid process
328:coronoid process
295:ulnar tuberosity
273:. This prevents
201:
180:edit on Wikidata
103:
102:
99:
98:
95:
92:
89:
86:
59:
47:
21:
3388:
3387:
3383:
3382:
3381:
3379:
3378:
3377:
3348:
3347:
3346:
3334:
3326:
3324:
3319:
3297:
3288:Ossified tendon
3246:
3219:
3186:
3183:Distal tarsal 5
3180:Distal tarsal 4
3148:
3125:
3076:
3041:
3000:
2973:
2970:Distal carpal 5
2931:
2915:Medial centrale
2857:
2829:
2787:Pectoral girdle
2768:
2740:
2732:
2661:
2642:
2599:
2530:
2490:
2428:
2392:Composite bones
2387:
2317:
2305:Composite bones
2300:
2168:
2155:
2143:
2113:
2104:
2076:
2038:
1965:
1960:styloid process
1953:trochlear notch
1922:
1913:styloid process
1874:
1814:lower extremity
1759:upper extremity
1744:
1647:
1628:conoid tubercle
1616:Shoulder girdle
1610:
1601:
1564:
1559:
1558:
1502:
1497:
1496:
1492:
1485:
1472:
1471:
1467:
1457:
1444:
1443:
1436:
1423:
1422:
1418:
1409:
1407:
1399:
1398:
1394:
1385:
1383:
1374:
1373:
1369:
1355:
1351:
1341:
1337:
1311:
1308:
1276:
1269:
1262:
1259:
1247:
1242:
1239:
1230:
1227:
1218:
1215:
1209:
1204:
1201:
1192:
1156:
1103:
1097:
1092:
891:Anconeus muscle
851:
850:
849:
848:
847:
844:
836:
835:
832:
821:
779:trochlear notch
751:
746:
719:
718:
717:
716:
715:
708:
697:
684:cortical tissue
672:
665:
662:
653:
650:
641:
638:
629:
626:
617:
614:
568:
464:styloid process
441:styloid process
415:
399:semilunar notch
348:triceps brachii
310:
302:styloid process
267:olecranon fossa
244:
184:
83:
79:
66:
45:
38:
28:
23:
22:
15:
12:
11:
5:
3386:
3384:
3376:
3375:
3370:
3365:
3360:
3350:
3349:
3345:
3344:
3321:
3320:
3318:
3317:
3314:
3310:
3307:
3306:
3303:
3302:
3299:
3298:
3296:
3295:
3290:
3285:
3280:
3266:
3264:
3260:
3259:
3256:
3255:
3252:
3251:
3248:
3247:
3245:
3244:
3239:
3234:
3228:
3225:
3224:
3221:
3220:
3218:
3217:
3211:
3210:(Centrale 1+2)
3205:
3194:
3192:
3188:
3187:
3185:
3184:
3181:
3178:
3171:
3164:
3156:
3154:
3153:Distal tarsals
3150:
3149:
3147:
3146:
3143:
3140:
3137:
3133:
3131:
3127:
3126:
3124:
3123:
3113:
3108:
3102:
3100:
3093:
3084:
3075:
3074:
3067:
3062:
3057:
3051:
3049:
3043:
3042:
3040:
3039:
3034:
3029:
3024:
3018:
3016:
3010:
3009:
3006:
3005:
3002:
3001:
2999:
2998:
2993:
2988:
2982:
2979:
2978:
2975:
2974:
2972:
2971:
2968:
2961:
2954:
2947:
2939:
2937:
2936:Distal carpals
2930:
2929:
2922:
2917:
2912:
2902:
2897:
2887:
2876:
2874:
2865:
2856:
2855:
2850:
2845:
2839:
2837:
2831:
2830:
2828:
2827:
2822:
2817:
2812:
2807:
2802:
2791:
2789:
2780:
2774:
2773:
2770:
2769:
2767:
2766:
2761:
2756:
2750:
2748:
2742:
2741:
2739:
2738:
2733:
2731:
2730:
2723:
2715:
2710:
2705:
2700:
2695:
2690:
2684:
2682:
2673:
2663:
2662:
2659:
2652:
2651:
2648:
2647:
2644:
2643:
2641:
2640:
2635:
2630:
2625:
2620:
2615:
2609:
2607:
2601:
2600:
2598:
2597:
2592:
2587:
2580:
2575:
2570:
2565:
2555:
2544:
2542:
2536:
2535:
2532:
2531:
2529:
2528:
2523:
2521:Sclerotic ring
2518:
2516:Extracolumella
2513:
2506:
2495:
2492:
2491:
2489:
2488:
2483:
2473:
2468:
2461:
2456:
2446:
2440:
2438:
2434:
2433:
2430:
2429:
2427:
2426:
2420:
2414:
2408:
2402:
2395:
2393:
2386:
2385:
2383:Supraoccipital
2380:
2375:
2370:
2365:
2363:Orbitosphenoid
2360:
2355:
2353:Laterosphenoid
2350:
2345:
2340:
2335:
2329:
2327:
2323:
2322:
2319:
2318:
2316:
2315:
2308:
2306:
2299:
2298:
2293:
2288:
2283:
2278:
2271:
2266:
2261:
2256:
2251:
2246:
2241:
2236:
2231:
2226:
2221:
2211:
2204:
2197:
2191:
2189:
2180:
2170:
2169:
2164:
2157:
2156:
2144:
2142:
2141:
2134:
2127:
2119:
2110:
2109:
2106:
2105:
2103:
2102:
2097:
2092:
2086:
2084:
2078:
2077:
2075:
2074:
2069:
2064:
2059:
2054:
2048:
2046:
2040:
2039:
2037:
2036:
2035:
2034:
2024:
2019:
2014:
2009:
2004:
1999:
1994:
1988:
1986:
1977:
1971:
1970:
1967:
1966:
1964:
1963:
1956:
1932:
1930:
1924:
1923:
1921:
1920:
1905:
1893:
1891:
1882:
1876:
1875:
1873:
1872:
1854:
1840:
1826:
1821:
1810:
1805:
1794:
1789:
1775:
1754:
1752:
1746:
1745:
1743:
1742:
1724:
1719:
1714:
1709:
1695:
1690:
1687:great scapular
1676:
1673:infraspinatous
1669:supraspinatous
1657:
1655:
1649:
1648:
1646:
1645:
1640:
1635:
1633:trapezoid line
1630:
1624:
1622:
1612:
1611:
1602:
1600:
1599:
1592:
1585:
1577:
1571:
1570:
1563:
1562:External links
1560:
1557:
1556:
1513:(5845): 1721.
1490:
1483:
1465:
1455:
1434:
1416:
1392:
1367:
1349:
1334:
1333:
1327:Gray's Anatomy
1307:
1304:
1303:
1302:
1297:
1292:
1287:
1282:
1268:
1265:
1264:
1263:
1260:
1245:
1243:
1240:
1233:
1231:
1228:
1221:
1219:
1216:
1207:
1205:
1202:
1195:
1191:
1188:
1155:
1152:
1141:
1140:
1120:
1096:
1093:
1091:
1088:
1085:
1084:
1081:
1078:
1072:
1071:
1062:
1059:
1053:
1052:
1045:
1042:
1036:
1035:
1029:
1026:
1020:
1019:
1009:
1006:
1000:
999:
989:
986:
980:
979:
972:
969:
963:
962:
955:
952:
946:
945:
942:
939:
933:
932:
925:
922:
916:
915:
909:
906:
900:
899:
896:
893:
887:
886:
879:
876:
870:
869:
864:
859:
845:
838:
837:
833:
826:
825:
824:
823:
822:
820:
817:
816:
815:
804:
797:
782:
750:
747:
745:
742:
709:
702:
701:
700:
699:
698:
696:
693:
674:The ulna is a
671:
668:
667:
666:
663:
656:
654:
651:
644:
642:
639:
632:
630:
627:
620:
618:
615:
608:
598:
597:
594:
567:
566:Near the wrist
564:
563:
562:
551:
524:
521:nutrient canal
504:
503:
499:
498:
483:
452:
428:
427:
414:
411:
384:pronator teres
309:
308:Near the elbow
306:
275:hyperextension
243:
240:
186:
185:
176:
170:
169:
164:
158:
157:
152:
146:
145:
140:
134:
133:
128:
122:
121:
116:
110:
109:
105:
104:
77:
73:
72:
68:
67:
60:
52:
51:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
3385:
3374:
3371:
3369:
3366:
3364:
3361:
3359:
3356:
3355:
3353:
3343:
3338:
3333:
3329:
3315:
3312:
3311:
3308:
3294:
3291:
3289:
3286:
3284:
3281:
3279:
3278:
3273:
3272:
3268:
3267:
3265:
3263:Miscellaneous
3261:
3243:
3240:
3238:
3235:
3233:
3230:
3229:
3226:
3215:
3212:
3209:
3206:
3203:
3199:
3196:
3195:
3193:
3189:
3182:
3179:
3176:
3172:
3169:
3165:
3162:
3158:
3157:
3155:
3151:
3144:
3141:
3138:
3135:
3134:
3132:
3128:
3121:
3117:
3114:
3112:
3109:
3107:
3104:
3103:
3101:
3097:
3094:
3092:
3088:
3085:
3083:
3079:
3073:
3072:
3068:
3066:
3063:
3061:
3058:
3056:
3053:
3052:
3050:
3048:
3044:
3038:
3037:Epipubic bone
3035:
3033:
3030:
3028:
3025:
3023:
3020:
3019:
3017:
3015:
3014:Pelvic girdle
3011:
2997:
2994:
2992:
2989:
2987:
2984:
2983:
2980:
2969:
2966:
2962:
2959:
2955:
2952:
2948:
2945:
2941:
2940:
2938:
2934:
2928:
2927:
2923:
2921:
2918:
2916:
2913:
2910:
2906:
2903:
2901:
2898:
2895:
2891:
2888:
2885:
2881:
2878:
2877:
2875:
2873:
2869:
2866:
2864:
2860:
2854:
2851:
2849:
2848:Radius (bone)
2846:
2844:
2841:
2840:
2838:
2836:
2832:
2826:
2823:
2821:
2818:
2816:
2815:Interclavicle
2813:
2811:
2808:
2806:
2803:
2800:
2796:
2793:
2792:
2790:
2788:
2784:
2781:
2779:
2775:
2765:
2762:
2760:
2757:
2755:
2752:
2751:
2749:
2747:
2743:
2737:
2736:Haemal arches
2734:
2729:
2728:
2724:
2722:
2721:
2717:
2716:
2714:
2711:
2709:
2706:
2704:
2701:
2699:
2696:
2694:
2691:
2689:
2686:
2685:
2683:
2681:
2677:
2674:
2672:
2668:
2664:
2657:
2653:
2639:
2636:
2634:
2631:
2629:
2626:
2624:
2621:
2619:
2616:
2614:
2611:
2610:
2608:
2606:
2602:
2596:
2593:
2591:
2588:
2586:
2585:
2581:
2579:
2576:
2574:
2571:
2569:
2566:
2563:
2559:
2556:
2553:
2549:
2546:
2545:
2543:
2541:
2537:
2527:
2526:Wormian bones
2524:
2522:
2519:
2517:
2514:
2512:
2511:
2507:
2504:
2500:
2497:
2496:
2493:
2487:
2484:
2481:
2477:
2474:
2472:
2469:
2467:
2466:
2462:
2460:
2457:
2454:
2450:
2447:
2445:
2444:Ectopterygoid
2442:
2441:
2439:
2435:
2424:
2421:
2418:
2415:
2412:
2409:
2406:
2403:
2400:
2397:
2396:
2394:
2390:
2384:
2381:
2379:
2376:
2374:
2371:
2369:
2366:
2364:
2361:
2359:
2356:
2354:
2351:
2349:
2346:
2344:
2341:
2339:
2336:
2334:
2333:Basioccipital
2331:
2330:
2328:
2324:
2313:
2312:Interparietal
2310:
2309:
2307:
2303:
2297:
2294:
2292:
2291:Supratemporal
2289:
2287:
2284:
2282:
2279:
2277:
2276:
2272:
2270:
2269:Quadratojugal
2267:
2265:
2262:
2260:
2257:
2255:
2252:
2250:
2247:
2245:
2242:
2240:
2237:
2235:
2232:
2230:
2227:
2225:
2222:
2219:
2215:
2212:
2210:
2209:
2208:Intertemporal
2205:
2203:
2202:
2198:
2196:
2193:
2192:
2190:
2188:
2184:
2181:
2179:
2175:
2171:
2167:
2162:
2158:
2154:
2151:
2147:
2140:
2135:
2133:
2128:
2126:
2121:
2120:
2117:
2101:
2098:
2096:
2093:
2091:
2088:
2087:
2085:
2083:
2079:
2073:
2070:
2068:
2065:
2063:
2060:
2058:
2055:
2053:
2050:
2049:
2047:
2045:
2041:
2033:
2030:
2029:
2028:
2025:
2023:
2020:
2018:
2015:
2013:
2010:
2008:
2005:
2003:
2000:
1998:
1995:
1993:
1990:
1989:
1987:
1985:
1981:
1978:
1976:
1972:
1961:
1957:
1954:
1950:
1946:
1942:
1938:
1934:
1933:
1931:
1929:
1925:
1918:
1914:
1910:
1906:
1903:
1899:
1895:
1894:
1892:
1890:
1886:
1883:
1881:
1877:
1870:
1866:
1862:
1858:
1855:
1852:
1848:
1844:
1841:
1838:
1834:
1830:
1827:
1825:
1822:
1820:
1817:
1815:
1811:
1809:
1806:
1804:
1803:radial sulcus
1801:
1799:
1795:
1793:
1790:
1787:
1783:
1779:
1776:
1773:
1769:
1765:
1762:
1760:
1756:
1755:
1753:
1751:
1747:
1740:
1736:
1732:
1728:
1725:
1723:
1720:
1718:
1715:
1713:
1710:
1707:
1703:
1699:
1696:
1694:
1693:glenoid fossa
1691:
1688:
1684:
1683:suprascapular
1680:
1677:
1674:
1670:
1666:
1662:
1659:
1658:
1656:
1654:
1650:
1644:
1641:
1639:
1636:
1634:
1631:
1629:
1626:
1625:
1623:
1621:
1617:
1613:
1609:
1605:
1598:
1593:
1591:
1586:
1584:
1579:
1578:
1575:
1569:
1566:
1565:
1561:
1552:
1548:
1544:
1540:
1536:
1532:
1528:
1524:
1520:
1516:
1512:
1508:
1501:
1494:
1491:
1486:
1484:0-03-910284-X
1480:
1476:
1469:
1466:
1463:
1458:
1456:9781444148831
1452:
1449:. CRC Press.
1448:
1441:
1439:
1435:
1430:
1426:
1420:
1417:
1406:
1402:
1396:
1393:
1381:
1377:
1371:
1368:
1364:
1363:
1358:
1353:
1350:
1346:
1345:
1339:
1336:
1332:
1331:
1328:
1325:
1323:
1319:
1318:public domain
1305:
1301:
1298:
1296:
1293:
1291:
1288:
1286:
1283:
1281:
1278:
1277:
1274:
1266:
1244:
1237:
1232:
1225:
1220:
1212:
1206:
1199:
1194:
1189:
1187:
1185:
1181:
1177:
1172:
1170:
1160:
1154:Other animals
1153:
1151:
1149:
1145:
1139:
1135:
1132:
1128:
1124:
1123:Hume fracture
1121:
1119:
1115:
1112:
1111:
1110:
1108:
1107:ulna fracture
1102:
1101:Bone fracture
1094:
1089:
1082:
1079:
1077:
1074:
1073:
1069:
1068:shaft of ulna
1066:
1063:
1060:
1058:
1055:
1054:
1050:
1046:
1043:
1041:
1038:
1037:
1033:
1030:
1027:
1025:
1022:
1021:
1017:
1013:
1010:
1007:
1005:
1002:
1001:
997:
993:
990:
987:
985:
982:
981:
977:
973:
970:
968:
965:
964:
960:
956:
953:
951:
948:
947:
943:
940:
938:
935:
934:
930:
926:
923:
921:
918:
917:
914:
910:
907:
905:
902:
901:
897:
894:
892:
889:
888:
884:
880:
877:
875:
872:
871:
868:
865:
863:
860:
858:
855:
854:
842:
830:
818:
813:
810:that forms a
809:
805:
802:
801:distal radius
798:
795:
791:
787:
783:
780:
776:
772:
768:
767:
766:
764:
760:
756:
748:
743:
741:
739:
735:
730:
728:
724:
713:
706:
694:
692:
689:
685:
681:
677:
669:
660:
655:
648:
643:
636:
631:
624:
619:
612:
607:
605:
603:
595:
592:
588:
584:
580:
579:
578:
576:
570:
565:
560:
556:
552:
549:
545:
541:
537:
533:
529:
525:
522:
518:
514:
510:
506:
505:
501:
500:
496:
492:
488:
484:
481:
477:
473:
469:
465:
461:
457:
453:
450:
446:
442:
438:
434:
430:
429:
425:
424:
423:
420:
412:
410:
408:
403:
400:
395:
393:
389:
385:
381:
377:
373:
369:
364:
359:
358:is attached.
357:
353:
349:
344:
340:
335:
333:
329:
325:
316:
312:
307:
305:
303:
298:
296:
292:
288:
284:
280:
276:
272:
268:
264:
260:
255:
253:
249:
241:
239:
237:
233:
229:
225:
221:
217:
213:
209:
205:
197:
193:
181:
175:
171:
168:
165:
163:
159:
156:
153:
151:
147:
144:
141:
139:
135:
132:
129:
127:
123:
120:
117:
115:
111:
106:
101:
78:
76:Pronunciation
74:
69:
64:
58:
53:
48:
43:
36:
34:
19:
3275:
3269:
3069:
2924:
2852:
2778:Appendicular
2754:Cervical rib
2725:
2718:
2638:Tympanohyoid
2582:
2578:Prearticular
2552:Ectotympanic
2510:Entotympanic
2508:
2463:
2449:Epipterygoid
2378:Sphenethmoid
2368:Parasphenoid
2338:Basisphenoid
2281:Septomaxilla
2273:
2254:Postparietal
2206:
2199:
2095:intermediate
1984:Carpal bones
1958:near wrist (
1949:radial notch
1935:near elbow (
1927:
1907:near wrist (
1896:near elbow (
1856:
1842:
1828:
1812:
1796:
1777:
1763:
1757:
1726:
1706:supraglenoid
1702:infraglenoid
1697:
1678:
1660:
1510:
1506:
1493:
1474:
1468:
1446:
1428:
1419:
1408:. Retrieved
1404:
1395:
1384:. Retrieved
1380:the original
1370:
1360:
1357:Entry "ulna"
1352:
1342:
1338:
1329:
1315:
1309:
1295:Ulnar artery
1261:Ulna anatomy
1173:
1165:
1142:
1104:
998:ulnar shaft
866:
861:
856:
781:of the ulna.
752:
731:
721:The ulna is
720:
710:The ulna is
673:
670:Microanatomy
599:
582:
571:
569:
554:
527:
508:
486:
455:
432:
418:
416:
404:
396:
360:
336:
321:
311:
299:
287:radial notch
277:and forms a
256:
245:
207:
203:
195:
191:
189:
143:A02.4.06.001
118:
32:
3111:Intermedium
2900:Intermedium
2618:Ceratohyoid
2453:Alisphenoid
2405:Otoccipital
2348:Exoccipital
2249:Postorbital
2244:Postfrontal
1909:ulnar notch
1829:epicondyles
1665:subscapular
1300:Ulnar nerve
1138:radial head
1134:dislocation
1049:radius bone
994:portion of
812:syndesmosis
790:pivot joint
763:articulates
695:Development
468:aponeurosis
279:hinge joint
108:Identifiers
3368:Long bones
3352:Categories
3293:Osteoderms
3232:Metatarsal
3198:Astragalus
3145:Centrale 4
3142:Centrale 3
3139:Centrale 2
3136:Centrale 1
2986:Metacarpal
2894:Triquetral
2764:Caudal rib
2759:Dorsal rib
2633:Thyrohyoid
2628:Stylohyoid
2595:Surangular
2584:Predentary
2358:Opisthotic
2264:Premaxilla
2259:Prefrontal
2201:Internasal
2187:Skull roof
2002:triquetral
1937:tuberosity
1902:tuberosity
1768:anatomical
1410:2024-08-21
1386:2022-08-24
1306:References
1178:and other
867:Attachment
757:joint and
546:, and the
478:, and the
368:brachialis
293:, and the
196:ulnar bone
3283:Gastralia
3277:Baubellum
3237:Phalanges
3208:Navicular
3130:Centralia
3120:Calcaneum
2991:Phalanges
2951:Trapezoid
2944:Trapezium
2805:Cleithrum
2727:Pygostyle
2680:Vertebrae
2613:Basihyoid
2558:Articular
2499:Columella
2471:Pterygoid
2399:Occipital
2326:Braincase
2286:Squamosal
2218:Zygomatic
2082:Phalanges
2017:trapezoid
2012:trapezium
1941:olecranon
1869:olecranon
1819:capitulum
1778:tubercles
1698:tubercles
1535:0036-8075
1429:InnerBody
1180:dinosaurs
1127:olecranon
1109:include:
1095:Fractures
1012:posterior
908:Insertion
895:Insertion
878:Insertion
862:Direction
794:pronation
738:epiphysis
727:olecranon
676:long bone
491:supinator
460:olecranon
339:olecranon
332:semilunar
324:olecranon
281:with the
242:Structure
232:lower leg
212:long bone
3116:Fibulare
3047:Hindlimb
2958:Capitate
2920:Pisiform
2884:Scaphoid
2835:Forelimb
2810:Coracoid
2795:Clavicle
2623:Epihyoid
2590:Splenial
2568:Coronoid
2540:Mandible
2476:Quadrate
2465:Prevomer
2459:Palatine
2423:Temporal
2417:Petrosal
2239:Parietal
2224:Lacrimal
2153:skeleton
2150:tetrapod
2090:proximal
2022:capitate
2007:pisiform
1992:scaphoid
1865:coronoid
1824:trochlea
1772:surgical
1735:inferior
1731:superior
1717:acromion
1620:clavicle
1551:11610649
1543:17885130
1462:Page 158
1322:page 214
1267:See also
1217:3D image
1131:anterior
1032:proximal
996:anterior
765:) with:
744:Function
723:ossified
532:anconeus
502:Surfaces
356:anconeus
326:and the
289:for the
3342:Anatomy
3271:Baculum
3106:Tibiale
3071:Patella
3022:Ischium
2926:Pteroid
2880:Radiale
2843:Humerus
2825:Sternum
2820:Scapula
2799:Furcula
2573:Dentary
2562:Malleus
2548:Angular
2373:Prootic
2343:Ethmoid
2296:Tabular
2275:Rostral
2229:Maxilla
2195:Frontal
2178:Cranium
2148:in the
2032:hamulus
1880:Forearm
1847:lateral
1833:lateral
1782:greater
1750:Humerus
1739:lateral
1679:notches
1653:Scapula
1606:of the
1515:Bibcode
1507:Science
1190:Gallery
1136:of the
771:humerus
426:Borders
271:humerus
269:of the
259:process
234:is the
222:to the
216:forearm
214:in the
210:) is a
131:D014457
71:Details
35:(genus)
3328:Portal
3242:Ungual
3214:Cuboid
3091:Tarsus
3065:Fibula
2996:Ungual
2965:Hamate
2909:Lunate
2890:Ulnare
2872:Carpus
2720:Coccyx
2708:Sacrum
2503:Stapes
2437:Palate
2100:distal
2027:hamate
1997:lunate
1889:Radius
1861:radial
1857:fossae
1851:medial
1837:medial
1786:lesser
1727:angles
1661:fossae
1549:
1541:
1533:
1481:
1453:
1425:"Ulna"
1405:Kenhub
1330:(1918)
1169:horses
1080:Origin
1065:dorsal
1061:Origin
1044:Origin
1028:Origin
1008:Origin
992:distal
988:Origin
971:Origin
959:radius
954:Origin
941:Origin
924:Origin
857:Muscle
786:radius
749:Joints
542:, the
474:, the
407:radius
261:, the
252:medial
236:fibula
228:radius
3202:Talus
3060:Tibia
3055:Femur
3032:Pubis
3027:Ilium
2863:Manus
2688:Atlas
2671:Axial
2605:Hyoid
2486:Vomer
2480:Incus
2234:Nasal
2214:Jugal
2166:Skull
2146:Bones
1764:necks
1604:Bones
1547:S2CID
1503:(PDF)
1320:from
1176:birds
814:joint
775:elbow
759:elbow
755:wrist
224:wrist
220:elbow
208:ulnas
204:ulnae
178:[
167:23466
114:Latin
3363:Ulna
2853:Ulna
2746:Ribs
2693:Axis
1975:Hand
1928:Ulna
1898:head
1798:body
1539:PMID
1531:ISSN
1479:ISBN
1451:ISBN
1148:cast
799:the
784:the
583:head
581:The
417:The
413:Body
397:The
361:The
337:The
192:ulna
190:The
155:1230
138:TA98
126:MeSH
119:ulna
50:Ulna
33:Ulna
3082:Pes
2072:5th
2067:4th
2062:3rd
2057:2nd
2052:1st
1608:arm
1523:doi
1511:317
1359:in
1344:OED
1174:In
206:or
200:pl.
194:or
162:FMA
150:TA2
3354::
1951:,
1947:,
1943:,
1939:,
1915:,
1911:,
1900:,
1867:,
1863:,
1849:,
1835:,
1784:,
1770:,
1737:,
1733:,
1704:,
1685:,
1671:,
1667:,
1618:,
1545:.
1537:.
1529:.
1521:.
1509:.
1505:.
1437:^
1427:.
1403:.
1051:)
1018:)
978:)
961:)
931:)
604:.
577:.
304:.
238:.
202::
65:).
3330::
3274:/
3200:(
3177:)
3170:)
3163:)
3122:)
3118:(
2967:)
2960:)
2953:)
2946:)
2911:)
2907:(
2896:)
2892:(
2886:)
2882:(
2801:)
2797:(
2564:)
2560:(
2554:)
2550:(
2505:)
2501:(
2482:)
2478:(
2455:)
2451:(
2220:)
2216:(
2138:e
2131:t
2124:v
1962:)
1955:)
1919:)
1904:)
1871:)
1859:(
1853:)
1845:(
1839:)
1831:(
1816::
1800::
1788:)
1780:(
1774:)
1766:(
1761::
1741:)
1729:(
1708:)
1700:(
1689:)
1681:(
1675:)
1663:(
1596:e
1589:t
1582:v
1553:.
1525::
1517::
1487:.
1459:.
1431:.
1413:.
1389:.
1365:.
1275:.
796:.
593:.
550:.
198:(
182:]
100:/
97:ə
94:n
91:l
88:ʌ
85:ˈ
82:/
44:.
37:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
